Question

Match the following : 5

i. pH Chemical change

ii. cutting of paper has a high concentration of H+

ions

iii. acid a substance which changes colour in acid or base

iv. souring of milk physical change

v. indicator the scale used to measure acidity/basicity​

Answer 1

Answer:

acid a substance which changes colour in acid or base

Explanation:

Answer 2

sorry no answer.

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